CSC Mathematical Topics offers mathematical animations (on http://www.csc.fi/math_topics/Movies/), a list of best mathematical services (http://www.csc.fi/cgi-bin/math-top), and links to other mathematical topics (http://www.csc.fi/math_topics/General.html or gopher://gopher.csc.fi:70/11/tiede/matematiikka/). From CSC, the Finnish national supercomputer center (Espoo, Finland). [Juha Haataja ([email protected]), c.i.w, 6/22/94. net-hap.]

The SymbMath 2.2 expert system for symbolic and exact math is shareware, FTPable from simtel20 or from /huang/sm22a.zip on rana.cc.deakin.oz.au. [email protected] or [email protected] can also provide copies by email. Another FTP source is sm31a.zip in /pub/msdos/calculat on oak.oakland.edu. Student and advanced versions of the software are available. [IEEE Expert, 8/93. Weiguang Huang ([email protected]), comp.ai, 3/31/94. David Joslin.]

Foraging behavior of ant colonies was the inspiration for Marco Dorigo's 1991 dissertation work, the Ant System for traveling salesman problems, quadratic assignment, job-shop scheduling, and other combinatorial optimization problems. PostScript papers are available by FTP from /pub/dorigo (journals, conferences, tec.reps) on iridia.ulb.ac.be or zucca.idsia.ch, or by WWW from file://ftp.idsia.ch. Dorigo would like to hear from others who are using his work. Contact [email protected], +32-2-6502715 Fax. [[email protected], comp.ai, 7/4/94. David Joslin.]

daVinci 1.3 is an interactive visualization system for directed graphs and subgraphs, from UBremen's Inst. for Formal Methods in Software Engineering. Unix/XView or PC/Linux. Free for non-profit use. FTP from /pub/graphics/daVinci on ftp.uni-bremen.de or /graphics/graphics/packages/daVinci on wuarchive.wustl.edu. Questions to [email protected] bremen.de. [Michael Froehlich (mfr@informatik.uni-bremen.de), comp.ai, 7/14/94. David Joslin.]